| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 1300 | 505 |
28.3%
|
| 2 | 1300-1700 | 639 |
35.8%
|
| 3 | more than 1700 | 639 |
35.8%
|
| Sysmiss | 3401 |